The memory pointed to by the ::rtc member is managed via devres, and
no code in this driver uses it past _probe().
We can drop it from the structure and just use a local temporary
variable, reducing runtime memory consumption by a few bytes.
Signed-off-by: André Draszik <andre.draszik@xxxxxxxxxx>
---
drivers/rtc/rtc-m48t86.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/rtc/rtc-m48t86.c b/drivers/rtc/rtc-m48t86.c
index dd4a62e2d39c73b1c8c3f50a59fd4fffc0b45105..10cd054fe86f9e6be74eb282222b2751dd91cc7e 100644
--- a/drivers/rtc/rtc-m48t86.c
+++ b/drivers/rtc/rtc-m48t86.c
@@ -41,7 +41,6 @@
struct m48t86_rtc_info {
void __iomem *index_reg;
void __iomem *data_reg;
- struct rtc_device *rtc;
};
static unsigned char m48t86_readb(struct device *dev, unsigned long addr)
@@ -219,6 +218,7 @@ static bool m48t86_verify_chip(struct platform_device *pdev)
static int m48t86_rtc_probe(struct platform_device *pdev)
{
struct m48t86_rtc_info *info;
+ struct rtc_device *rtc;
unsigned char reg;
int err;
struct nvmem_config m48t86_nvmem_cfg = {
@@ -250,17 +250,17 @@ static int m48t86_rtc_probe(struct platform_device *pdev)
return -ENODEV;
}
- info->rtc = devm_rtc_allocate_device(&pdev->dev);
- if (IS_ERR(info->rtc))
- return PTR_ERR(info->rtc);
+ rtc = devm_rtc_allocate_device(&pdev->dev);
+ if (IS_ERR(rtc))
+ return PTR_ERR(rtc);
- info->rtc->ops = &m48t86_rtc_ops;
+ rtc->ops = &m48t86_rtc_ops;
- err = devm_rtc_register_device(info->rtc);
+ err = devm_rtc_register_device(rtc);
if (err)
return err;
- devm_rtc_nvmem_register(info->rtc, &m48t86_nvmem_cfg);
+ devm_rtc_nvmem_register(rtc, &m48t86_nvmem_cfg);
/* read battery status */
reg = m48t86_readb(&pdev->dev, M48T86_D);
--
2.48.1.711.g2feabab25a-goog
